Merge branch 'deprecate-jh' into 'master'

Deprecate jh

See merge request !253

content/applications/app_specific/Jupyter.md

@@ -2,6 +2,7 @@
 title = "Jupyter Notebooks"
 description = "How to access and use a Jupyter Notebook"
 weight = 20
+hidden = "true"
 +++
 
 - [Connecting to JupyterHub](#connecting-to-jupyterhub)

content/submitting_jobs/sandstone.md

@@ -2,6 +2,7 @@
 title = "Sandstone"
 description =  "How to use HCC's sandstone environment"
 weight = "95"
+hidden = "true"
 +++